About the Number

23456780

23456779 ← → 23456781

2進数表記:1011001011110110000001100

漢数字表記:二千三百四十五万六千七百八十

素因数分解:

2 2 × 5 1 × 23 1 × 50993 1

素因数の和:51025
約数の個数: 24
約数和(自身を含む): 51401952
約数和(自身を除く): 27945172

約数列:
[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 50993, 101986, 203972, 254965, 509930, 1019860, 1172839, 2345678, 4691356, 5864195, 11728390, 23456780]

約数ペア:
[(1, 23456780), (2, 11728390), (4, 5864195), (5, 4691356), (10, 2345678), (20, 1172839), (23, 1019860), (46, 509930), (92, 254965), (115, 203972), (230, 101986), (460, 50993)]

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